English verb conjugation
COULD CONTRIVE

Regular verb: contrive - contrived - contrived

Affirmation

Simple form	V-ing form
I could contrive you could contrive he could contrive we could contrive you could contrive they could contrive	I could be contriving you could be contriving he could be contriving we could be contriving you could be contriving they could be contriving
Perfect	V-ing perfect
I could have contrived you could have contrived he could have contrived we could have contrived you could have contrived they could have contrived	I could have been contriving you could have been contriving he could have been contriving we could have been contriving you could have been contriving they could have been contriving

Negation

Simple form	V-ing form
I could not contrive you could not contrive he could not contrive we could not contrive you could not contrive they could not contrive	I could not be contriving you could not be contriving he could not be contriving we could not be contriving you could not be contriving they could not be contriving
Perfect	V-ing perfect
I could not have contrived you could not have contrived he could not have contrived we could not have contrived you could not have contrived they could not have contrived	I could not have been contriving you could not have been contriving he could not have been contriving we could not have been contriving you could not have been contriving they could not have been contriving

Interrogative form

Simple form	V-ing form
could I contrive? could you contrive? could he contrive? could we contrive? could you contrive? could they contrive?	could I be contriving? could you be contriving? could he be contriving? could we be contriving? could you be contriving? could they be contriving?
Perfect	V-ing perfect
could I have contrived? could you have contrived? could he have contrived? could we have contrived? could you have contrived? could they have contrived?	could I have been contriving? could you have been contriving? could he have been contriving? could we have been contriving? could you have been contriving? could they have been contriving?

Interro-negative form

Simple form	V-ing form
could I not contrive? could you not contrive? could he not contrive? could we not contrive? could you not contrive? could they not contrive?	could I not be contriving? could you not be contriving? could he not be contriving? could we not be contriving? could you not be contriving? could they not be contriving?
Perfect	V-ing perfect
could I not have contrived? could you not have contrived? could he not have contrived? could we not have contrived? could you not have contrived? could they not have contrived?	could I not have been contriving? could you not have been contriving? could he not have been contriving? could we not have been contriving? could you not have been contriving? could they not have been contriving?